Effect of dietary supplementation with Yarrowia lipolytica or Saccharomyces cerevisiae yeast and probiotic additives on growth performance, basic nutrients digestibility and biochemical blood profile in piglets

Abstract

The objective of the study was to compare the efficiency of dietary supplementation of two species of yeast, Yarrowia lipolytica (YL) and Saccharomyces cerevisiae (SC), with or without the addition of a probiotic, on growth performance, basic nutrients digestibility and blood profile in piglets. The experiment was conducted on 360 weaned piglets (180 barrows and 180 gilts). Each treatment comprised 60 piglets. The piglets (27-day-old) were assigned to the following dietary treatments: (a) basal control (C) diet, (b) C diet + probiotic (Bacillus licheniformis and Bacillus subtilis-2 × 10 CFU/kg of feed), (c) C diet + 3% Y. lipolytica (YL-2 × 10 CFU/g), (d) C diet + 3%YL + probiotic, (e) C diet + 3% S. cerevisiae (SC-3 × 10 CFU/g) and (f) C diet + 3% SC + probiotic. Blood for analysis was collected from a total of 36 piglets at the end of the experiment, that is, 56 days after weaning. During the entire experiment, significantly greater weight gain was observed in the piglets receiving YL. The addition of the probiotic supplement and SC yeast reduced the daily feed intake during day 16-56 and from day 0 to 56 of the experiment. A better feed conversion ratio (FCR) during day 0-56 of the experiment was noted after addition of the probiotic and yeast. The use of YL yeast in diets for piglets had a more beneficial effect on weight gain and FCR than SC. Moreover, the addition of YL modulates lipid metabolism in piglets, as indicated by the reduced levels of TCH, LDL and TG and increased level of HDL in the plasma. The combined use of either YL or SC with a probiotic is not recommended in piglet rearing, as it does not substantially improve growth performance and health in comparison with yeast alone.

Redox Status, Biochemical Parameters and Mineral Elements Content in Blood of Turkey Hens Fed a Diet Supplemented with Yarrowia lipolytica Yeast and Two Bacillus Species

“…Interest in Yarrowia lipolytica arises from the fact that it grows on the crude glycerol fraction derived from the production of diesel oil [4], so that it constitutes a link between biofuel by-products and animal feed [5]. Studies conducted thus far indicate that the nutritional value of Yarrowia lipolytica makes it suitable for use in animal diets [6,7]. Compared to Saccharomyces cerevisiae, it has a higher content of protein (approx.…”

Effects of Yarrowia lipolytica supplementation on growth performance, intestinal health and apparent ileal digestibility of diets fed to nursery pigs

“…The current results are in agreement with previous studies that reported the supplementation of yeasts at 30% in fish diets [ 13 ] and at 1.6×107 colony-forming unit/g of nursery diets [ 32 ] reduced the apparent digestibility of nutrients but did not affect the overall growth performance. Conversely, Czech et al [ 33 ] reported that supplementation of 3.0% of Yarrowia lipolytica replacing soybean meal enhanced the growth performance of nursery pigs from 10 to 32 kg. A reduction of nutrient digestibility with 3.0% of Yarrowia lipolytica without affecting the growth performance observed in this study is probably due to the bioactive compounds from yeasts including oleic acid, β-glucans and mannans that play important roles on microbiota modulation and immune system [ 34 , 35 ].…”

Sustainable Animal Feed Protein through the Cultivation of YARROWIA Lipolytica on Agro-Industrial Wastes and by-Products

“…There are research evidence indicating that the protein of Yarrowia lipolytica growing on industrial glycerol can perfectly complement the protein of wheat, barley and triticale in animal diets, upgrading their protein nutritional value [68]. Previous research using this strain of yeast as a dietary supplement has been carried out on turkeys [41,69,70], piglets [24,71,72], calves [73] and fish such as Atlantic salmon [74,75], Pacific red snapper [76] and Cynoglossus semilaevis [53].…”

“…In another comparative study, Czech et al [71] investigated the impact of dietary enrichment with Yarrowia lipolytica and S. cerevisiae yeasts with or without the simultaneous use of a probiotic on the performance, basic nutrients digestibility and some biochemical parameters in piglets. The experimental design of this study was the same as the previous work [72].…”